#ifndef STRING_COMMON
#define STRING_COMMON

#include <stdio.h>

int my_strlen(char const *s);

char *my_strcpy(char *des, char const *src);

char *my_strcat(char *des, char const *src);

int my_strcmp(char const *s1, char const *s2);


int my_atoi(char const *s);

char *my_itoa(char *des, int n, int radix);

void *my_memmove(void * const dest, const void * const src, unsigned int n);

#endif /* STRING_COMMON */
